diff --git a/squeak/default.nix b/squeak/default.nix
index 7124557..a22d435 100644
--- a/squeak/default.nix
+++ b/squeak/default.nix
@@ -2,8 +2,8 @@
 , libpulseaudio, libuuid, nas, openssl, pango, sndio, xorg }:
 
 let
-  versionA = "6.0beta";
-  versionB = "22058";
+  versionA = "6.0rc1";
+  versionB = "22081";
   versionC = "202206021410";
   bits = with stdenv.hostPlatform;
     if is32bit then
@@ -15,13 +15,13 @@ let
   sources = {
     i686-linux = fetchurl {
       url =
-        "http://files.squeak.org/trunk/Squeak${versionA}-${versionB}-32bit/Squeak${versionA}-${versionB}-${bits}bit-${versionC}-Linux-x86.tar.gz";
-      sha256 = "sha256-nJ+W6cEx8Vr9UTAF5LJ7ZH+SwQQ/MoyXPbRi46rkFiA=";
+        "http://files.squeak.org/${versionA}/Squeak${versionA}-${versionB}-32bit/Squeak${versionA}-${versionB}-${bits}bit-${versionC}-Linux-x86.tar.gz";
+      sha256 = "sha256-tODZ7GxVXQkioyXjCx5BBv+FSu/65sbfsU4NwqCtv3w=";
     };
     x86_64-linux = fetchurl {
       url =
-        "http://files.squeak.org/trunk/Squeak${versionA}-${versionB}-${bits}bit/Squeak${versionA}-${versionB}-${bits}bit-${versionC}-Linux-x64.tar.gz";
-      sha256 = "sha256-uAgwT1XyMQFD4UY4w+TsiwqDRiCT9QIHCaTkn49nnCM=";
+        "http://files.squeak.org/${versionA}/Squeak${versionA}-${versionB}-${bits}bit/Squeak${versionA}-${versionB}-${bits}bit-${versionC}-Linux-x64.tar.gz";
+      sha256 = "sha256-H+diQPgOfyjWQEy95zsFuerbWonc32PNSQYlpxyFOME=";
     };
   };
 in stdenv.mkDerivation rec {